arch/sparc/include/asm/unistd.h

   1 /*
   2  * System calls under the Sparc.
   3  *
   4  * Don't be scared by the ugly clobbers, it is the only way I can
   5  * think of right now to force the arguments into fixed registers
   6  * before the trap into the system call with gcc 'asm' statements.
   7  *
   8  * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
   9  *
  10  * SunOS compatibility based upon preliminary work which is:
  11  *
  12  * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu)
  13  */
  14 #ifndef _SPARC_UNISTD_H
  15 #define _SPARC_UNISTD_H
  16
  17 #include <uapi/asm/unistd.h>
  18
  19 #ifdef __32bit_syscall_numbers__
  20 #else
  21 #define __NR_time               231 /* Linux sparc32                               */
  22 #endif
  23 #define __ARCH_WANT_OLD_READDIR
  24 #define __ARCH_WANT_STAT64
  25 #define __ARCH_WANT_SYS_ALARM
  26 #define __ARCH_WANT_SYS_GETHOSTNAME
  27 #define __ARCH_WANT_SYS_PAUSE
  28 #define __ARCH_WANT_SYS_SGETMASK
  29 #define __ARCH_WANT_SYS_SIGNAL
  30 #define __ARCH_WANT_SYS_TIME
  31 #define __ARCH_WANT_SYS_UTIME
  32 #define __ARCH_WANT_SYS_WAITPID
  33 #define __ARCH_WANT_SYS_SOCKETCALL
  34 #define __ARCH_WANT_SYS_FADVISE64
  35 #define __ARCH_WANT_SYS_GETPGRP
  36 #define __ARCH_WANT_SYS_LLSEEK
  37 #define __ARCH_WANT_SYS_NICE
  38 #define __ARCH_WANT_SYS_OLDUMOUNT
  39 #define __ARCH_WANT_SYS_SIGPENDING
  40 #define __ARCH_WANT_SYS_SIGPROCMASK
  41 #ifdef __32bit_syscall_numbers__
  42 #define __ARCH_WANT_SYS_IPC
  43 #else
  44 #define __ARCH_WANT_COMPAT_SYS_TIME
  45 #define __ARCH_WANT_COMPAT_SYS_SENDFILE
  46 #endif
  47
  48 /*
  49  * "Conditional" syscalls
  50  *
  51  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
  52  * but it doesn't work on all toolchains, so we just do it by hand
  53  */
  54 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
  55
  56 #endif /* _SPARC_UNISTD_H */